package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    /**
     * 新增分类
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category){
        log.info("新增分类：{}",category);
        categoryService.save(category);
        return R.success("新增分类成功");
    }

    /**
     * 分页查询
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize){

        //构造分页构造器
        Page<Category> pageInfo = new Page<>(page,pageSize);
        //构造条件过滤器
        LambdaQueryWrapper<Category> wrapper = new LambdaQueryWrapper<>();
        //添加过滤条件
        wrapper.orderByAsc(Category::getSort);
        //执行查询
        categoryService.page(pageInfo,wrapper);
        return R.success(pageInfo);
    }

    /**
     * 根据id删除分类
     * @param ids
     * @return
     */
    @DeleteMapping
    public R<String> deleteById(Long ids){
        log.info("删除分类：{}",ids);
        //categoryService.removeById(ids);

        categoryService.remove(ids);
        return R.success("分类删除成功");
    }

    /**
     * 修改分类信息
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category){
        log.info("修改分类信息：{}",category);
        categoryService.updateById(category);
        return R.success("分类修改成功");
    }

    /**
     * 新增菜品，展示菜品分类
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        log.info(category.toString());
        //构建添加构造器
        LambdaQueryWrapper<Category> wrapper = new LambdaQueryWrapper<>();
        //添加条件
        wrapper.eq(category.getType()!= null,Category::getType,category.getType());
        //添加排序条件
        wrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(wrapper);

        return R.success(list);
    }
}
